The onion, or onion bulb, is a pretty usual ingredient uncovered in the kitchen and is evaluate for adding rich and savory flavor to our dishes. It is a close loved one of pungent vegetables favor garlic, scallions, and also leeks. What makes the onion especially is its capability to make civilization teary when it is chopped. Just how does this small vegetable execute this trick? The onion is composed of water and also a totality lot the compounds. The one responsible for making us cry is the link propyl sulfoxide i beg your pardon escapes right into the air as soon as the onion is sliced. When combined with moisture, this compound turns into sulphuric acid, a pungent substance that irritates ours eyes and also make united state teary.

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Do you recognize that the onion we know of today was not only supplied for culinary functions through that is history? old civilizations offered onions as part of their spiritual rituals, too! continue reading this post to know more about the history of the onion and also its well-known uses. 

History the the Onion

Until today, it is no clear to archaeologists and historians the specific time and also place of beginning of the onion, although the is widely believed that the onion started being grew 5,000 years ago in central Asia. It is one of the earliest cultivated vegetables due to the fact that it can be grown quickly on various soil and climates and is basic to transport since it does no perish easily similar to other crops.

Aside native culinary purposes, the onion is well-known for its usage in art, medicine, and mummification. Old Egyptians considered the onion a symbol of eternity and also endless life, making it crucial accessory in burial rituals and also the famous mummification process. 

During the Dark and also Middle Ages, the onion was among the main food sources in Europe together with beans and cabbage. The onion was more valued 보다 money as it was provided both together food and also as a medicine remedy. The Renaissance period paved the way for the proliferation the the onion across the world. Part experts think that the onion is the very first ever vegetables planted through colonizers that arrived in north America.

Where Onions room Grown

The onion is basic to grow as it deserve to be planted on any kind of soil, any kind of climate, and also can be easily stored during any type of season. It have the right to be grown largely in the same regions where potatoes space planted. For best onion cultivation, fertile and also well-drained soils space recommended.

The unified Nations estimates that at the very least 175 countries in the people grown onions. Top top a global scale, approximately 9.2 million acres of onions space harvested around the world every year. In 2017, the best producers the onions space China, India, and also United States.


The onion is a an excellent source of numerous nutrients such as vitamin C, vitamin B6, folate, potassium, and manganese. According to FoodData Central, a 3.5-ounce onion contains:

Calories 40Water 89%Protein 1.1 gramsCarbs 9.3 gramsSugar 4.2 gramsFiber 1.7 gramsFat 0.1 grams

Types the Onions


Onions differ in shape, size and color. Below are the most usual varieties the onions:

White Onion. White onion is a medium-sized variant with mild flavor. That is finest used because that homemade salsa and guacamole recipes, and as garnish for hamburgers.Red Onion. Red onion has deep magenta skin color and also has a soft flavor. The is finest used for salads, sandwiches and burgers.Yellow Onion. Yellow onion is the most typical variant the onion. That is large in dimension with light brown skin and mild flavor. It can be provided to prepare French onion soup. Pearl Onion. Pearl onion is a small, white-skinned onion through both mild and sweet flavors. It is ideal used as garnish because that cocktails drinks choose Bloody Mary and also Martini.Sweet Onion. Sweet onion is a larged-sized onion v light brown skin and sweet flavor. That is ideal cooked as onion ring and can also be caramelized.Shallots. This small-sized variant of onion is light violet in color and also has an extreme flavor. The is finest used for salads and for sautéing. 

Popular Uses

The onion can be used for many purposes next from gift a food. Right here are the popular uses the onions:

Scar Remover. The onion deserve to be offered to eliminate scars and can likewise be used for other skin conditions. Plant Protection. The onion can be blended with water, garlic, pepper, and also soap flakes to develop a repellent that will certainly drive insects away from her plants. Paint Deodorizer. A key of water containing fresh sliced onions can absorb the odor of a new paint within a couple of hours. Mosquito Repellent. Rubbing an onion on your skin or ingesting it can keep away those annoying mosquitoes. Soothing Insect Sting. The swelling of skin resulted in by a bee sting can be remedied by put a slice of onion ~ above the stung area.Acne Remover. To acquire rid of negative pimples, you deserve to mix crushed onions v water and also apply it on your face. Wart Remover. The mixture that water, sliced onions, and also crushed aspirin can likewise be provided to shrink and sooth warts. The mixture is applied on the impacted area and also left for hours for much better results. 

Onions may have originated somewhere in east Asia, or perhaps in the area that is contemporary day Iran and West Pakistan. They have actually been grew for 5000 years or more, and also have discovered their way into almost every cuisine.Onions might be consumed raw, fried, grilled, in soups, pickled, blanched, in pancakes, etc.

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How lot does one onion weigh?

Onion, White, Red, or Yellow
Large3″ come 3 3/4″ dia150g5.3oz
Medium2″ come 3″ dia110g3.9oz
Small1″ come 2″ dia70g2.5oz
Slice, Large(1/4″ thick from medium onion)38g1.3oz
Slice, Medium(1/8″ special from tool onion)14g0.5oz
Slice, thin(from medium onion)9g0.3oz

Conversion native grams come ounce: 28.3495231g(rounded to 28.35)= 1 ozOunces shown are rounded up or down to the nearest tenth of one ounce.